The TPS2378DDA from Texas Instruments is a highly integrated Power Over Ethernet (PoE) interface and DC/DC controller designed to simplify the implementation of Power over Ethernet Powered Devices (PDs). This advanced controller offers a complete PoE interface port that complies with the IEEE 802.3at (PoE+) and IEEE 802.3af (PoE) standards, which makes it suitable for a wide range of applications such as IP cameras, wireless access points, and VoIP phones.

Key Features

• Support for IEEE 802.3at (PoE+) and IEEE 802.3af (PoE) standards.
• Integrated power MOSFET for up to 30W of power delivery.
• Enhanced thermal management with adjustable current limit.
• Advanced power management with sleep mode for improved efficiency.
• Programmable classification with a 20-μA signature resistor.
• Supports both high-side and low-side power supply configurations.
• 80-V, 0.5-Ω internal hotswap MOSFET.

Applications

The TPS2378DDA's robust feature set makes it an ideal choice for a variety of applications that require reliable power sourcing over Ethernet cables. Common applications include:

• Enterprise and Industrial Ethernet switches.
• IP Network cameras.
• Wireless access points.
• IP telephones.
• Remote computer terminals.

Design Support

Texas Instruments provides comprehensive design support for the TPS2378DDA, including reference designs, simulation models, and detailed technical documentation to facilitate rapid design-in and product development. Engineers can take advantage of these resources to reduce time-to-market and ensure the reliability and performance of their PoE solutions.

Quality and Reliability

As with all Texas Instruments products, the TPS2378DDA is manufactured to the highest quality and reliability standards. The device is available in a thermally-enhanced 14-pin HTSSOP (DDA) package, ensuring efficient heat dissipation for high-power applications.

For more information about the TPS2378DDA, including pricing and availability, please visit the Texas Instruments website or contact your local Texas Instruments sales representative.